Home / 126,814.56-175,001.92-70,224.72

Finding the Fourth Proportional to 126,814.56, 175,001.92 and 70,224.72

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Solution

The fourth proportional to 126,814.56, 175,001.92 and 70,224.72 is: 96,908.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,814.56 : 175,001.92 = 70,224.72 : x
  2. Step 2: Convert to fraction form
    126,814.56/175,001.92 = 70,224.72/x
  3. Step 3: Cross multiply
    126,814.56x = 175,001.92 × 70,224.72
  4. Step 4: Simplify right side
    126,814.56x = 12,289,460,831.46
  5. Step 5: Solve for x
    x = 12,289,460,831.46/126,814.56
  6. Step 6: Final answer
    x = 96,908.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.